1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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26 |
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27 | namespace HeuristicLab.Problems.TravelingSalesman {
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28 | /// <summary>
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29 | /// An operator to evaluate 2-opt moves.
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30 | /// </summary>
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31 | [Item("TSPInversionMoveEuclideanPathEvaluator", "Operator for evaluating an inversion move (2-opt) based on euclidean distances.")]
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32 | [StorableClass]
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33 | public class TSPInversionMoveEuclideanPathEvaluator : TSPInversionMovePathEvaluator {
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34 | [StorableConstructor]
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35 | protected TSPInversionMoveEuclideanPathEvaluator(bool deserializing) : base(deserializing) { }
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36 | protected TSPInversionMoveEuclideanPathEvaluator(TSPInversionMoveEuclideanPathEvaluator original, Cloner cloner) : base(original, cloner) { }
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37 | public TSPInversionMoveEuclideanPathEvaluator() : base() { }
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38 |
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39 | public override IDeepCloneable Clone(Cloner cloner) {
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40 | return new TSPInversionMoveEuclideanPathEvaluator(this, cloner);
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41 | }
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42 |
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43 | public override Type EvaluatorType {
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44 | get { return typeof(TSPEuclideanPathEvaluator); }
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45 | }
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46 |
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47 | protected override double CalculateDistance(double x1, double y1, double x2, double y2) {
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48 | return Math.Sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
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49 | }
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50 | }
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51 | }
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